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					<a href="configretriever.html">ConfigRetriever</a>
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			<h1>Class ConfigRetriever</h1>
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			<section class="tsd-panel tsd-comment">
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					<div class="lead">
						<p>Defines a configuration retriever that read configuration from
							{@link ConfigStore}
						and tracks changes periodically.</p>
					</div>
					<dl class="tsd-comment-tags">
						<dt>author</dt>
						<dd><p><a href="http://escoffier.me">Clement Escoffier</a></p>
						</dd>
					</dl>
				</div>
			</section>
			<section class="tsd-panel tsd-hierarchy">
				<h3>Hierarchy</h3>
				<ul class="tsd-hierarchy">
					<li>
						<span class="target">ConfigRetriever</span>
					</li>
				</ul>
			</section>
			<section class="tsd-panel-group tsd-index-group">
				<h2>Index</h2>
				<section class="tsd-panel tsd-index-panel">
					<div class="tsd-index-content">
						<section class="tsd-index-section ">
							<h3>Methods</h3>
							<ul class="tsd-index-list">
								<li class="tsd-kind-method tsd-parent-kind-class"><a href="configretriever.html#close" class="tsd-kind-icon">close</a></li>
								<li class="tsd-kind-method tsd-parent-kind-class"><a href="configretriever.html#configstream" class="tsd-kind-icon">config<wbr>Stream</a></li>
								<li class="tsd-kind-method tsd-parent-kind-class"><a href="configretriever.html#getcachedconfig" class="tsd-kind-icon">get<wbr>Cached<wbr>Config</a></li>
								<li class="tsd-kind-method tsd-parent-kind-class"><a href="configretriever.html#getconfig" class="tsd-kind-icon">get<wbr>Config</a></li>
								<li class="tsd-kind-method tsd-parent-kind-class"><a href="configretriever.html#listen" class="tsd-kind-icon">listen</a></li>
								<li class="tsd-kind-method tsd-parent-kind-class"><a href="configretriever.html#setbeforescanhandler" class="tsd-kind-icon">set<wbr>Before<wbr>Scan<wbr>Handler</a></li>
								<li class="tsd-kind-method tsd-parent-kind-class"><a href="configretriever.html#setconfigurationprocessor" class="tsd-kind-icon">set<wbr>Configuration<wbr>Processor</a></li>
								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-static"><a href="configretriever.html#create" class="tsd-kind-icon">create</a></li>
								<li class="tsd-kind-method tsd-parent-kind-class tsd-is-static"><a href="configretriever.html#getconfigasfuture" class="tsd-kind-icon">get<wbr>Config<wbr>AsFuture</a></li>
							</ul>
						</section>
					</div>
				</section>
			</section>
			<section class="tsd-panel-group tsd-member-group ">
				<h2>Methods</h2>
				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
					<a name="close" class="tsd-anchor"></a>
					<h3>close</h3>
					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
						<li class="tsd-signature tsd-kind-icon">close<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
					</ul>
					<ul class="tsd-descriptions">
						<li class="tsd-description">
							<aside class="tsd-sources">
								<ul>
									<li>Defined in index.d.ts:73</li>
								</ul>
							</aside>
							<div class="tsd-comment tsd-typography">
								<div class="lead">
									<p>Closes the retriever.</p>
								</div>
							</div>
							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
						</li>
					</ul>
				</section>
				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
					<a name="configstream" class="tsd-anchor"></a>
					<h3>config<wbr>Stream</h3>
					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
						<li class="tsd-signature tsd-kind-icon">config<wbr>Stream<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">ReadStream</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">object</span><span class="tsd-signature-symbol">&gt;</span></li>
					</ul>
					<ul class="tsd-descriptions">
						<li class="tsd-description">
							<aside class="tsd-sources">
								<ul>
									<li>Defined in index.d.ts:115</li>
								</ul>
							</aside>
							<div class="tsd-comment tsd-typography">
							</div>
							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">ReadStream</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">object</span><span class="tsd-signature-symbol">&gt;</span></h4>
							<p>the stream of configurations. It&#39;s single stream (unicast) and that delivers the last known config
							and the successors periodically.</p>
						</li>
					</ul>
				</section>
				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
					<a name="getcachedconfig" class="tsd-anchor"></a>
					<h3>get<wbr>Cached<wbr>Config</h3>
					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
						<li class="tsd-signature tsd-kind-icon">get<wbr>Cached<wbr>Config<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">object</span></li>
					</ul>
					<ul class="tsd-descriptions">
						<li class="tsd-description">
							<aside class="tsd-sources">
								<ul>
									<li>Defined in index.d.ts:80</li>
								</ul>
							</aside>
							<div class="tsd-comment tsd-typography">
								<div class="lead">
									<p>Gets the last computed configuration.</p>
								</div>
							</div>
							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">object</span></h4>
							<p>the last configuration</p>
							<ul class="tsd-parameters">
								<li class="tsd-parameter-index-signature">
									<h5><span class="tsd-signature-symbol">[</span>key: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">]: </span><span class="tsd-signature-type">any</span></h5>
								</li>
							</ul>
						</li>
					</ul>
				</section>
				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
					<a name="getconfig" class="tsd-anchor"></a>
					<h3>get<wbr>Config</h3>
					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
						<li class="tsd-signature tsd-kind-icon">get<wbr>Config<span class="tsd-signature-symbol">(</span>completionHandler<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">function</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Handler</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">AsyncResult</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">object</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
					</ul>
					<ul class="tsd-descriptions">
						<li class="tsd-description">
							<aside class="tsd-sources">
								<ul>
									<li>Defined in index.d.ts:67</li>
								</ul>
							</aside>
							<div class="tsd-comment tsd-typography">
								<div class="lead">
									<p>Reads the configuration from the different {@link ConfigStore}
									and computes the final configuration.</p>
								</div>
							</div>
							<h4 class="tsd-parameters-title">Parameters</h4>
							<ul class="tsd-parameters">
								<li>
									<h5>completionHandler: <span class="tsd-signature-type">function</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Handler</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">AsyncResult</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">object</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">&gt;</span></h5>
									<div class="tsd-comment tsd-typography">
										<p>handler receiving the computed configuration, or a failure if the
										configuration cannot be retrieved</p>
									</div>
								</li>
							</ul>
							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
						</li>
					</ul>
				</section>
				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
					<a name="listen" class="tsd-anchor"></a>
					<h3>listen</h3>
					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
						<li class="tsd-signature tsd-kind-icon">listen<span class="tsd-signature-symbol">(</span>listener<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">function</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Handler</span><span class="tsd-signature-symbol">&lt;</span><a href="configchange.html" class="tsd-signature-type">ConfigChange</a><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
					</ul>
					<ul class="tsd-descriptions">
						<li class="tsd-description">
							<aside class="tsd-sources">
								<ul>
									<li>Defined in index.d.ts:88</li>
								</ul>
							</aside>
							<div class="tsd-comment tsd-typography">
								<div class="lead">
									<p>Registers a listener receiving configuration changes. This method cannot only be called if
									the configuration is broadcasted.</p>
								</div>
							</div>
							<h4 class="tsd-parameters-title">Parameters</h4>
							<ul class="tsd-parameters">
								<li>
									<h5>listener: <span class="tsd-signature-type">function</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Handler</span><span class="tsd-signature-symbol">&lt;</span><a href="configchange.html" class="tsd-signature-type">ConfigChange</a><span class="tsd-signature-symbol">&gt;</span></h5>
									<div class="tsd-comment tsd-typography">
										<p>the listener</p>
									</div>
								</li>
							</ul>
							<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
						</li>
					</ul>
				</section>
				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
					<a name="setbeforescanhandler" class="tsd-anchor"></a>
					<h3>set<wbr>Before<wbr>Scan<wbr>Handler</h3>
					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
						<li class="tsd-signature tsd-kind-icon">set<wbr>Before<wbr>Scan<wbr>Handler<span class="tsd-signature-symbol">(</span>__function<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">function</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Handler</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="configretriever.html" class="tsd-signature-type">ConfigRetriever</a></li>
					</ul>
					<ul class="tsd-descriptions">
						<li class="tsd-description">
							<aside class="tsd-sources">
								<ul>
									<li>Defined in index.d.ts:96</li>
								</ul>
							</aside>
							<div class="tsd-comment tsd-typography">
								<div class="lead">
									<p>Registers a handler called before every scan. This method is mostly used for logging purpose.</p>
								</div>
							</div>
							<h4 class="tsd-parameters-title">Parameters</h4>
							<ul class="tsd-parameters">
								<li>
									<h5>__function: <span class="tsd-signature-type">function</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Handler</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h5>
								</li>
							</ul>
							<h4 class="tsd-returns-title">Returns <a href="configretriever.html" class="tsd-signature-type">ConfigRetriever</a></h4>
							<p>the current config retriever</p>
						</li>
					</ul>
				</section>
				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
					<a name="setconfigurationprocessor" class="tsd-anchor"></a>
					<h3>set<wbr>Configuration<wbr>Processor</h3>
					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
						<li class="tsd-signature tsd-kind-icon">set<wbr>Configuration<wbr>Processor<span class="tsd-signature-symbol">(</span>processor<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">function</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="configretriever.html" class="tsd-signature-type">ConfigRetriever</a></li>
					</ul>
					<ul class="tsd-descriptions">
						<li class="tsd-description">
							<aside class="tsd-sources">
								<ul>
									<li>Defined in index.d.ts:107</li>
								</ul>
							</aside>
							<div class="tsd-comment tsd-typography">
								<div class="lead">
									<p>Registers a handler that process the configuration before being injected into {@link #getConfig(Handler)} or {@link #listen(Handler)}. This allows
									the code to customize the configuration.</p>
								</div>
							</div>
							<h4 class="tsd-parameters-title">Parameters</h4>
							<ul class="tsd-parameters">
								<li>
									<h5>processor: <span class="tsd-signature-type">function</span></h5>
									<div class="tsd-comment tsd-typography">
										<p>the processor, must not be {@code null}. The method must not return {@code null}. The returned configuration is used. If the processor
											does not update the configuration, it must return the input configuration. If the processor throws an exception, the failure is passed
										to the {@link #getConfig(Handler)} handler.</p>
									</div>
									<ul class="tsd-parameters">
										<li class="tsd-parameter-siganture">
											<ul class="tsd-signatures tsd-kind-type-literal tsd-is-not-exported">
												<li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">(</span>arg<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">object</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">object</span></li>
											</ul>
											<ul class="tsd-descriptions">
												<li class="tsd-description">
													<h4 class="tsd-parameters-title">Parameters</h4>
													<ul class="tsd-parameters">
														<li>
															<h5>arg: <span class="tsd-signature-type">object</span></h5>
															<ul class="tsd-parameters">
																<li class="tsd-parameter-index-signature">
																	<h5><span class="tsd-signature-symbol">[</span>key: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">]: </span><span class="tsd-signature-type">any</span></h5>
																</li>
															</ul>
														</li>
													</ul>
													<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">object</span></h4>
													<ul class="tsd-parameters">
														<li class="tsd-parameter-index-signature">
															<h5><span class="tsd-signature-symbol">[</span>key: <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">]: </span><span class="tsd-signature-type">any</span></h5>
														</li>
													</ul>
												</li>
											</ul>
										</li>
									</ul>
								</li>
							</ul>
							<h4 class="tsd-returns-title">Returns <a href="configretriever.html" class="tsd-signature-type">ConfigRetriever</a></h4>
							<p>the current config retriever</p>
						</li>
					</ul>
				</section>
				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-static">
					<a name="create" class="tsd-anchor"></a>
					<h3><span class="tsd-flag ts-flagStatic">Static</span> create</h3>
					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-static">
						<li class="tsd-signature tsd-kind-icon">create<span class="tsd-signature-symbol">(</span>vertx<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Vertx</span>, options<span class="tsd-signature-symbol">: </span><a href="configretrieveroptions.html" class="tsd-signature-type">ConfigRetrieverOptions</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="configretriever.html" class="tsd-signature-type">ConfigRetriever</a></li>
						<li class="tsd-signature tsd-kind-icon">create<span class="tsd-signature-symbol">(</span>vertx<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Vertx</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="configretriever.html" class="tsd-signature-type">ConfigRetriever</a></li>
					</ul>
					<ul class="tsd-descriptions">
						<li class="tsd-description">
							<aside class="tsd-sources">
								<ul>
									<li>Defined in index.d.ts:40</li>
								</ul>
							</aside>
							<div class="tsd-comment tsd-typography">
								<div class="lead">
									<p>Creates an instance of the default implementation of the <a href="configretriever.html">ConfigRetriever</a>.</p>
								</div>
							</div>
							<h4 class="tsd-parameters-title">Parameters</h4>
							<ul class="tsd-parameters">
								<li>
									<h5>vertx: <span class="tsd-signature-type">Vertx</span></h5>
									<div class="tsd-comment tsd-typography">
										<p>the vert.x instance</p>
									</div>
								</li>
								<li>
									<h5>options: <a href="configretrieveroptions.html" class="tsd-signature-type">ConfigRetrieverOptions</a></h5>
									<div class="tsd-comment tsd-typography">
										<p>the options, must not be {@code null}, must contain the list of configured store.</p>
									</div>
								</li>
							</ul>
							<h4 class="tsd-returns-title">Returns <a href="configretriever.html" class="tsd-signature-type">ConfigRetriever</a></h4>
							<p>the created instance.</p>
						</li>
						<li class="tsd-description">
							<aside class="tsd-sources">
								<ul>
									<li>Defined in index.d.ts:49</li>
								</ul>
							</aside>
							<div class="tsd-comment tsd-typography">
								<div class="lead">
									<p>Creates an instance of the default implementation of the <a href="configretriever.html">ConfigRetriever</a>, using the default
									settings (json file, system properties and environment variables).</p>
								</div>
							</div>
							<h4 class="tsd-parameters-title">Parameters</h4>
							<ul class="tsd-parameters">
								<li>
									<h5>vertx: <span class="tsd-signature-type">Vertx</span></h5>
									<div class="tsd-comment tsd-typography">
										<p>the vert.x instance</p>
									</div>
								</li>
							</ul>
							<h4 class="tsd-returns-title">Returns <a href="configretriever.html" class="tsd-signature-type">ConfigRetriever</a></h4>
							<p>the created instance.</p>
						</li>
					</ul>
				</section>
				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-static">
					<a name="getconfigasfuture" class="tsd-anchor"></a>
					<h3><span class="tsd-flag ts-flagStatic">Static</span> get<wbr>Config<wbr>AsFuture</h3>
					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-static">
						<li class="tsd-signature tsd-kind-icon">get<wbr>Config<wbr>AsFuture<span class="tsd-signature-symbol">(</span>retriever<span class="tsd-signature-symbol">: </span><a href="configretriever.html" class="tsd-signature-type">ConfigRetriever</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Future</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">object</span><span class="tsd-signature-symbol">&gt;</span></li>
					</ul>
					<ul class="tsd-descriptions">
						<li class="tsd-description">
							<aside class="tsd-sources">
								<ul>
									<li>Defined in index.d.ts:58</li>
								</ul>
							</aside>
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									<p>Same as {@link ConfigRetriever#getConfig(Handler)}, but returning a {@link Future} object. The result is a
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									<h5>retriever: <a href="configretriever.html" class="tsd-signature-type">ConfigRetriever</a></h5>
									<div class="tsd-comment tsd-typography">
										<p>the config retrieve</p>
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							<p>the future completed when the configuration is retrieved</p>
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